What is spectrophotometry - Study guides, Class notes & Summaries

MLT Clinical Chemistry Final Test with Correct Answers What is the isoelectric point? - Answer-the pH of a solution where a molecule is neutral Which of the following methodologies measures absorbed light? a. liquid chromatography b. ELISA c. electrophoresis d. spectrophotometry - Answer-spectrophotometry Which of the following is not an amino acid? a. leucine b. serine c. proline d. theriosine - Answer-theriosine There are ___________ non-essential and __________ essential ...

In absorption spectrophotometry: A) Absorbance is directly proportional to transmittance B) Percent transmittance is directly proportional to concentration C) Percent transmittance is directly proportional to the light path length D) Absorbance is directly proportional to concentration - Answer-Absorbance is directly proportional to concentration Which formula correctly described the relationship between absorbance and %T? A) A=2-log%T B) A=2+log%T C) A= -log%T - 2 D) A=1+log%T - Answe...

THERAPIST MULTIPLE-CHOICE EXAMINATION: PRACTICE TEST The physician orders a 35% aerosol mask to be set up for a patient who requires an inspiratory flow of 42 L/min. What is the minimum flow rate to which the flowmeter must be set to meet this patient's in- spiratory flow demands? A. 6 L/min B. 8 L/min C. 10 L/min D. 12 L/min - ANSWER B, The air/O2ratio for a 35% oxygen mixture is 5 : 1. To calculate total flow output from this device, add the ratio...

AMT MT Study Guide Questions and Answers Already Passed The three major phases of laboratory testing that a QA program should evaluate include a. mean, standard deviation, and coefficient of variation. b. pre-op, operative, and post-op. c. pre-analytical, analytical, and post-analytical. d. outpatient, inpatient, and non-patient. c. pre-analytical, analytical, and post-analytical. The process by which test results achieve the same high levels of accuracy and precision that can be reproduced...

what are the 4 basic disciplines (techniques) of analytic chemistry ? - Answer 1. spectrometry 2. luminescence 3. electroanalytic methods 4. chromatography Spectrophotometry - what is it? instrument measures what? what is the principle (what happens when light passes through an object)? - Answer -measurement of light at a selected wavelength -instruments measure light intensity, using filters to select the incident wavelength -principle: light passes through an object will be par...

ASCP MLT Chemistry Exam Questions with Answers Graded A+ What is the principle of flame photometry? - Answer-emission of color when an element is burned What is the principle of atomic absorption spectrophotometry? - Answer-It measures energy emitted by ultraviolet rays What is the light source in atomic absorption instrumentation? - Answer-cathode lamp Quenching is a disadvantage in what type of instrumentation? - Answer-fluorometry What analytical method measures the amount of lig...

The three major phases of laboratory testing that a QA program should evaluate include a. mean, standard deviation, and coefficient of variation. b. pre-op, operative, and post-op. c. pre-analytical, analytical, and post-analytical. d. outpatient, inpatient, and non-patient. c. pre-analytical, analytical, and post-analytical. The process by which test results achieve the same high levels of accuracy and precision that can be reproduced across measurement systems, laboratories and t...

holminum oxide correct answers best suited for verifying wavelength dispersion from 2nd order spectra correct answers most common cause of stray light, causes loss of linearity at high-analyte concentration glycolysis correct answers the conversion of glucose or other hexoses into lactate or pyruvate heparin tube correct answers tube used for blood gas absorbance correct answers proportional to the inverse log of transmittance. directly proportional to concentration spectrophotome...

__ cells are striated, tubular, and multi-nucleated. They are classified as voluntary and their structure allows for locomotion and movement. - ️️skeletal muscle 1 microgram (μg) is equal to how many milligrams (mg)? - ️️0.001 A class is studying b-galactosidase activity in a bacterial culture. After a student adds ONPG to their sample and incubates for 10 minutes, the student then adds 10 uL PopCulture, mixes the samples, and allows the samples to sit briefly before taking an enzymat...

what is spectrophotometry? correct answers Measures the amount of specific colored light being absorbed by or transmitted through a colored solution measure light intensity as a function of wavelength what is the order of the basic components of a spectrophotometer correct answers 1. light source 2. collimating lens 3. entrance slit 4. monochromator 5. exit slit 6. sample cuvette 7. PM tube 8. photodetector ay Types of light sources correct answers Tungsten (quartz vapor...